Skip to content
Backflow Distributors

Call Us Toll free:

1-800-713-0880

  • Contact
  • Sign InExpand
Shopping Cart 0
  • Repair KitsExpand
    • Ames Repair Kits
    • Apollo Repair Kits
    • Febco Repair Kits
    • Watts Repair Kits
    • Wilkins Repair Kits
  • Backflow AssembliesExpand
    • Ames Backflow Assemblies
    • Apollo Backflow Assemblies
    • Febco Backflow Assemblies
    • Watts Backflow Assemblies
    • Wilkins Backflow Assemblies
  • Backflow AccessoriesExpand
    • Air Gaps
    • Backflow Cages
    • Bolt Sets
    • Bolts
    • Check Valves
    • Fittings
    • Gaskets
    • Gate Valves
    • Meters
    • Nipples
    • Pressure Reducing Valves
    • Security Products
    • Shut-Off Valves
    • Tools and Accessories
    • Weather Protection Bags
    • Wye Strainers
  • Test Gauge EquipmentExpand
    • Backflow Test Kits
    • Testing Accessories
    • Test Kit Calibration Service
  • Backflow CoursesExpand
    • New BPAT Course – 5 Days
    • BPAT Refresher Course – 1 Day
    • Repair WorkshopsExpand
      • 1-Day Backflow Assembly Repair Workshop (Watts, Ames, Febco)
      • 1-Day Backflow Assembly Repair Workshop (Wilkins, Apollo, Backflow Direct, other)
      • 2-Day Backflow Assembly Repair Workshop
  • ResourcesExpand
    • Water Industry Resources
    • Product Videos and Documents
    • About Us
    • Credit Approval
  • Sign In
Backflow Distributors
Home / Shop / Backflow Accessories / Security Products / Sentry Products / STP-3 3/8″ Test Port Lock
Missing Image/Photo Graphic

STP-3 3/8″ Test Port Lock

SKU: S STP -3

$121.88

  • Resources
  • Spec Sheets

--NONE--

--NONE--

Related products

  • Valve Guard (SV)

    SENTRY™ BACKFLOW VALVE GUARD – SV-100-19″ (FITS 3/4″ TO 1″ BACKFLOW VALVE) TO 19″ HEIGHT (INCLUDES LOCK)

    SKU: S SV10019Sign In for Contractor Price $310.38
    Add to cartContinue Loading Done
  • Missing Image/Photo Graphic

    STP-2 1/2″ Test Port Lock

    SKU: S STP-2Sign In for Contractor Price $121.88
    Add to cartContinue Loading Done
  • SENTRY SPG- 10 - 10" PACKING GLAND QUICK REPAIR KIT LONGER BOLTS

    SENTRY SPG- 10 – 10″ PACKING GLAND QUICK REPAIR KIT LONGER BOLTS

    SKU: S SPG-10Sign In for Contractor Price $182.00
    Add to cartContinue Loading Done
  • Missing Image/Photo Graphic

    STP-1 3/4″ Test Port Lock

    SKU: S STP-1Sign In for Contractor Price $121.88
    Add to cartContinue Loading Done

Call Us Toll free

1-800-713-0880

We are here to help you with your backflow questions and help you find the parts you need.

Contact Us

6400 Elvas Ave., Suite A Sacramento, CA 95819

M - F, 7:00 am - 4:30 pm PT

Office: 1-916-452-6500

Toll Free: 1-800-713-0880

Fax: 1-916-706-3337

Email: sales@allthingsbackflow.com

Store

  • My Account
  • My Cart
  • Store Policies
  • FAQs
  • Contact Us

Products & Services

  • Repair Kits
  • Backflow Assemblies
  • Backflow Accessories
  • Test Gauges
  • Backflow Courses
  • Resources

Resources

  • Backflow Courses
  • Video Guides
  • Water Industry Resources
  • USC Foundation for Cross Connection Control
  • AWWA Backflow Exam Registration

Sign up for our newsletter

Receive industry updates and essential backflow solutions - Sign up for our Newsletter!

@2025 Backflow Distributors

Privacy Policy | Terms and Conditions

  • Repair Kits
    • Ames Repair Kits
    • Apollo Repair Kits
    • Febco Repair Kits
    • Watts Repair Kits
    • Wilkins Repair Kits
  • Backflow Assemblies
    • Ames Backflow Assemblies
    • Apollo Backflow Assemblies
    • Febco Backflow Assemblies
    • Watts Backflow Assemblies
    • Wilkins Backflow Assemblies
  • Backflow Accessories
    • Air Gaps
    • Backflow Cages
    • Bolt Sets
    • Bolts
    • Check Valves
    • Fittings
    • Gaskets
    • Gate Valves
    • Meters
    • Nipples
    • Pressure Reducing Valves
    • Security Products
    • Shut-Off Valves
    • Tools and Accessories
    • Weather Protection Bags
    • Wye Strainers
  • Test Gauge Equipment
    • Backflow Test Kits
    • Testing Accessories
    • Test Kit Calibration Service
  • Backflow Courses
    • New BPAT Course – 5 Days
    • BPAT Refresher Course – 1 Day
    • Repair Workshops
      • 1-Day Backflow Assembly Repair Workshop (Watts, Ames, Febco)
      • 1-Day Backflow Assembly Repair Workshop (Wilkins, Apollo, Backflow Direct, other)
      • 2-Day Backflow Assembly Repair Workshop
  • Resources
    • Water Industry Resources
    • Product Videos and Documents
    • About Us
    • Credit Approval
  • Sign In
Search